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Message-Id: <20200210122425.080361178@linuxfoundation.org>
Date: Mon, 10 Feb 2020 04:28:46 -0800
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
stable@...r.kernel.org, Eric Dumazet <edumazet@...gle.com>,
Martin KaFai Lau <kafai@...com>,
Yuchung Cheng <ycheng@...gle.com>,
Neal Cardwell <ncardwell@...gle.com>,
Jakub Kicinski <kuba@...nel.org>
Subject: [PATCH 5.5 013/367] tcp: clear tp->data_segs{in|out} in tcp_disconnect()
From: Eric Dumazet <edumazet@...gle.com>
[ Upstream commit db7ffee6f3eb3683cdcaeddecc0a630a14546fe3 ]
tp->data_segs_in and tp->data_segs_out need to be cleared
in tcp_disconnect().
tcp_disconnect() is rarely used, but it is worth fixing it.
Fixes: a44d6eacdaf5 ("tcp: Add RFC4898 tcpEStatsPerfDataSegsOut/In")
Signed-off-by: Eric Dumazet <edumazet@...gle.com>
Cc: Martin KaFai Lau <kafai@...com>
Cc: Yuchung Cheng <ycheng@...gle.com>
Cc: Neal Cardwell <ncardwell@...gle.com>
Acked-by: Neal Cardwell <ncardwell@...gle.com>
Signed-off-by: Jakub Kicinski <kuba@...nel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
net/ipv4/tcp.c | 2 ++
1 file changed, 2 insertions(+)
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -2642,6 +2642,8 @@ int tcp_disconnect(struct sock *sk, int
tp->bytes_acked = 0;
tp->bytes_received = 0;
tp->bytes_retrans = 0;
+ tp->data_segs_in = 0;
+ tp->data_segs_out = 0;
tp->duplicate_sack[0].start_seq = 0;
tp->duplicate_sack[0].end_seq = 0;
tp->dsack_dups = 0;
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